L H Dottie Co LAG143 Hex Head Lag Bolt 1/4x3 Zinc

Product Description

The L H DOTTIE CO LAG143 is a zinc-plated hex head lag bolt sized at 1/4 inch diameter by 3 inches in length. Lag bolts of this type are heavy-duty wood screws driven with a wrench or socket rather than a screwdriver. They are used to fasten structural components, equipment mounting brackets, and hardware to wood substrates. The hex head drive style allows high torque application with standard hand or power tools. The zinc plating provides a basic level of corrosion resistance suitable for dry and semi-exposed installations. Trade professionals in HVAC, electrical, plumbing, and general construction use lag bolts like this for equipment anchoring and structural attachment work.

This lag bolt is suited for residential and light commercial applications where a threaded wood fastener is required to secure equipment, conduit supports, pipe hangers, mounting plates, or structural lumber connections. The 1/4 inch by 3 inch size is a common specification for attaching hardware to wood framing, blocking, and dimensional lumber. It is sold individually and is appropriate wherever a standard hex drive lag fastener is called for in a wood-anchoring application.

Key Features

• Hex head drive accepts standard sockets and wrenches for high-torque installation
• 1/4 inch diameter by 3 inch length suits a wide range of structural fastening tasks
• Zinc plating provides corrosion resistance for interior and semi-exposed applications
• Heavy-duty lag thread design for secure wood substrate engagement
• Sold individually, allowing quantity purchasing matched to job requirements

Compatibility

Designed as a standard hex head lag bolt for use in wood substrates across residential and light commercial construction and trade installations.

Installation Notes

Lag bolts should be installed by drilling a properly sized pilot hole to prevent wood splitting before driving the fastener. Use a socket wrench or impact driver set to an appropriate torque to seat the bolt without stripping the wood fibers. Follow applicable building codes and equipment manufacturer guidelines when using lag bolts for structural or equipment mounting applications. Always verify the wood substrate condition and thickness before selecting fastener length.